At Fraserdale, drivers must turn northeast to reach the Abitibi Canyon Generating Station.

Highway 634 ends at the western edge of the dam; the locally maintained Otter Rapids Road continues west of there.

In 2010, traffic surveys conducted by the ministry along a lone section of the route showed that on average, 120 vehicles used the highway daily between the northern outskirts of Smooth Rock Falls and Fraserdale.

[7][8] Within Smooth Rock Falls, a slight realignment was constructed during the 1980s, but otherwise the route has remained unchanged.

[4] The following table lists the major junctions along Highway 634, as noted by the Ministry of Transportation of Ontario.